InChI=1/C23H25N3O4/c27-19-2-1-7-26(14-19)18-5-3-17(4-6-18)24-13-16-10-15-11-21-22(30-9-8-29-21)12-20(15)25-23(16)28/h3-6,10-12,19,24,27H,1-2,7-9,13-14H2,(H,25,28)/t19-/m0/s1/f/h25H 604B0CF7BAECA16E